/**
  ******************************************************************************
  * @file    USB_Device/CDC_Standalone/Src/usbd_desc.c
  * @author  MCD Application Team
  * @version V1.2.0 
  * @date    29-December-2017
  * @brief   This file provides the USBD descriptors and string formating method.
  ******************************************************************************
  * @attention
  *
  * <h2><center>&copy; Copyright (c) 2017 STMicroelectronics International N.V.
  * All rights reserved.</center></h2>
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted, provided that the following conditions are met:
  *
  * 1. Redistribution of source code must retain the above copyright notice,
  *    this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright notice,
  *    this list of conditions and the following disclaimer in the documentation
  *    and/or other materials provided with the distribution.
  * 3. Neither the name of STMicroelectronics nor the names of other
  *    contributors to this software may be used to endorse or promote products
  *    derived from this software without specific written permission.
  * 4. This software, including modifications and/or derivative works of this
  *    software, must execute solely and exclusively on microcontroller or
  *    microprocessor devices manufactured by or for STMicroelectronics.
  * 5. Redistribution and use of this software other than as permitted under
  *    this license is void and will automatically terminate your rights under
  *    this license.
  *
  * THIS SOFTWARE IS PROVIDED BY STMICROELECTRONICS AND CONTRIBUTORS "AS IS"
  * AND ANY EXPRESS, IMPLIED OR STATUTORY WARRANTIES, INCLUDING, BUT NOT
  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A
  * PARTICULAR PURPOSE AND NON-INFRINGEMENT OF THIRD PARTY INTELLECTUAL PROPERTY
  * RIGHTS ARE DISCLAIMED TO THE FULLEST EXTENT PERMITTED BY LAW. IN NO EVENT
  * SHALL STMICROELECTRONICS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
  * OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
  * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
  * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
  * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  *
  ******************************************************************************
  */

/* Includes ------------------------------------------------------------------ */
#include "usbd_core.h"
#include "usbd_desc.h"
#include "usbd_conf.h"

/* Private typedef ----------------------------------------------------------- */
/* Private define ------------------------------------------------------------ */
/*
#define USBD_VID                      0x26AC
#define USBD_PID                      0x0011
#define USBD_LANGID_STRING            0x409
#define USBD_MANUFACTURER_STRING      "FFT Co.,Ltd"
#define USBD_PRODUCT_HS_STRING        "FFT ComPort in HS Mode"
#define USBD_PRODUCT_FS_STRING        "FFT ComPort in FS Mode"
#define USBD_CONFIGURATION_HS_STRING  "VCP Config"
#define USBD_INTERFACE_HS_STRING      "VCP Interface"
#define USBD_CONFIGURATION_FS_STRING  "VCP Config"
#define USBD_INTERFACE_FS_STRING      "VCP Interface"
*/
/*
#define USBD_VID                      0x0483
#define USBD_PID                      0x5740
#define USBD_LANGID_STRING            0x409
#define USBD_MANUFACTURER_STRING      "STMicroelectronics"
#define USBD_PRODUCT_HS_STRING        "STM32 Virtual ComPort in HS Mode"
#define USBD_PRODUCT_FS_STRING        "STM32 Virtual ComPort in FS Mode"
#define USBD_CONFIGURATION_HS_STRING  "VCP Config"
#define USBD_INTERFACE_HS_STRING      "VCP Interface"
#define USBD_CONFIGURATION_FS_STRING  "VCP Config"
#define USBD_INTERFACE_FS_STRING      "VCP Interface"
*/

#define USBD_VID                      0x26AC
#define USBD_PID                      0x0011
#define USBD_LANGID_STRING            0x409
#define USBD_MANUFACTURER_STRING      "3D Robotics"
#define USBD_PRODUCT_HS_STRING        "FFT ComPort in HS Mode"
#define USBD_PRODUCT_FS_STRING        "PX4 BL FMU v6.x"
#define USBD_CONFIGURATION_HS_STRING  "VCP Config"
#define USBD_INTERFACE_HS_STRING      "VCP Interface"
#define USBD_CONFIGURATION_FS_STRING  "VCP Config"
#define USBD_INTERFACE_FS_STRING      "VCP Interface"
/* Private macro ------------------------------------------------------------- */
/* Private function prototypes ----------------------------------------------- */
uint8_t *USBD_VCP_DeviceDescriptor(USBD_SpeedTypeDef speed, uint16_t * length);
uint8_t *USBD_VCP_LangIDStrDescriptor(USBD_SpeedTypeDef speed, uint16_t * length);
uint8_t *USBD_VCP_ManufacturerStrDescriptor(USBD_SpeedTypeDef speed, uint16_t * length);
uint8_t *USBD_VCP_ProductStrDescriptor(USBD_SpeedTypeDef speed, uint16_t * length);
uint8_t *USBD_VCP_SerialStrDescriptor(USBD_SpeedTypeDef speed, uint16_t * length);
uint8_t *USBD_VCP_ConfigStrDescriptor(USBD_SpeedTypeDef speed, uint16_t * length);
uint8_t *USBD_VCP_InterfaceStrDescriptor(USBD_SpeedTypeDef speed, uint16_t * length);
#ifdef USB_SUPPORT_USER_STRING_DESC
uint8_t *USBD_VCP_USRStringDesc(USBD_SpeedTypeDef speed, uint8_t idx, uint16_t * length);
#endif                          /* USB_SUPPORT_USER_STRING_DESC */

/* Private variables --------------------------------------------------------- */
USBD_DescriptorsTypeDef VCP_Desc = {
  USBD_VCP_DeviceDescriptor,
  USBD_VCP_LangIDStrDescriptor,
  USBD_VCP_ManufacturerStrDescriptor,
  USBD_VCP_ProductStrDescriptor,
  USBD_VCP_SerialStrDescriptor,
  USBD_VCP_ConfigStrDescriptor,
  USBD_VCP_InterfaceStrDescriptor,
};

/* USB Standard Device Descriptor */
#if defined ( __ICCARM__ )      /* !< IAR Compiler */
#pragma data_alignment=4
#endif
__ALIGN_BEGIN uint8_t USBD_DeviceDesc[USB_LEN_DEV_DESC] __ALIGN_END = {
  0x12,                         /* bLength */
  USB_DESC_TYPE_DEVICE,         /* bDescriptorType */
  0x00,                         /* bcdUSB */
  0x02,
  0x02,                         /* bDeviceClass */
  0x00,                         /* bDeviceSubClass */
  0x00,                         /* bDeviceProtocol */
  USB_MAX_EP0_SIZE,             /* bMaxPacketSize */
  LOBYTE(USBD_VID),             /* idVendor */
  HIBYTE(USBD_VID),             /* idVendor */
  LOBYTE(USBD_PID),             /* idVendor */
  HIBYTE(USBD_PID),             /* idVendor */
  0x01,                         /* bcdDevice rel. 2.00 */
  0x01,
  USBD_IDX_MFC_STR,             /* Index of manufacturer string */
  USBD_IDX_PRODUCT_STR,         /* Index of product string */
  USBD_IDX_SERIAL_STR,          /* Index of serial number string */
  USBD_MAX_NUM_CONFIGURATION    /* bNumConfigurations */
};                              /* USB_DeviceDescriptor */

/* USB Standard Device Descriptor */
#if defined ( __ICCARM__ )      /* !< IAR Compiler */
#pragma data_alignment=4
#endif
__ALIGN_BEGIN uint8_t USBD_LangIDDesc[USB_LEN_LANGID_STR_DESC] __ALIGN_END = {
  USB_LEN_LANGID_STR_DESC,
  USB_DESC_TYPE_STRING,
  LOBYTE(USBD_LANGID_STRING),
  HIBYTE(USBD_LANGID_STRING),
};

uint8_t USBD_StringSerial[USB_SIZ_STRING_SERIAL] = {
  USB_SIZ_STRING_SERIAL,
  USB_DESC_TYPE_STRING,
};

#if defined ( __ICCARM__ )      /* !< IAR Compiler */
#pragma data_alignment=4
#endif
__ALIGN_BEGIN uint8_t USBD_StrDesc[USBD_MAX_STR_DESC_SIZ] __ALIGN_END;

/* Private functions --------------------------------------------------------- */

/**
  * @brief  Returns the device descriptor. 
  * @param  speed: Current device speed
  * @param  length: Pointer to data length variable
  * @retval Pointer to descriptor buffer
  */
uint8_t *USBD_VCP_DeviceDescriptor(USBD_SpeedTypeDef speed, uint16_t * length)
{
  *length = sizeof(USBD_DeviceDesc);
  return (uint8_t *) USBD_DeviceDesc;
}

/**
  * @brief  Returns the LangID string descriptor.        
  * @param  speed: Current device speed
  * @param  length: Pointer to data length variable
  * @retval Pointer to descriptor buffer
  */
uint8_t *USBD_VCP_LangIDStrDescriptor(USBD_SpeedTypeDef speed,
                                      uint16_t * length)
{
  *length = sizeof(USBD_LangIDDesc);
  return (uint8_t *) USBD_LangIDDesc;
}

/**
  * @brief  Returns the product string descriptor. 
  * @param  speed: Current device speed
  * @param  length: Pointer to data length variable
  * @retval Pointer to descriptor buffer
  */
uint8_t *USBD_VCP_ProductStrDescriptor(USBD_SpeedTypeDef speed,
                                       uint16_t * length)
{
  if (speed == 0)
  {
    USBD_GetString((uint8_t *) USBD_PRODUCT_HS_STRING, USBD_StrDesc, length);
  }
  else
  {
    USBD_GetString((uint8_t *) USBD_PRODUCT_FS_STRING, USBD_StrDesc, length);
  }
  return USBD_StrDesc;
}

/**
  * @brief  Returns the manufacturer string descriptor. 
  * @param  speed: Current device speed
  * @param  length: Pointer to data length variable
  * @retval Pointer to descriptor buffer
  */
uint8_t *USBD_VCP_ManufacturerStrDescriptor(USBD_SpeedTypeDef speed,
                                            uint16_t * length)
{
  USBD_GetString((uint8_t *) USBD_MANUFACTURER_STRING, USBD_StrDesc, length);
  return USBD_StrDesc;
}

/**
  * @brief  Returns the serial number string descriptor.        
  * @param  speed: Current device speed
  * @param  length: Pointer to data length variable
  * @retval Pointer to descriptor buffer
  */
uint8_t *USBD_VCP_SerialStrDescriptor(USBD_SpeedTypeDef speed,
                                      uint16_t * length)
{
  *length = USB_SIZ_STRING_SERIAL;

  /* Update the serial number string descriptor with the data from the unique
   * ID */
  //Get_SerialNum();

  return (uint8_t *) USBD_StringSerial;
}

/**
  * @brief  Returns the configuration string descriptor.    
  * @param  speed: Current device speed
  * @param  length: Pointer to data length variable
  * @retval Pointer to descriptor buffer
  */
uint8_t *USBD_VCP_ConfigStrDescriptor(USBD_SpeedTypeDef speed,
                                      uint16_t * length)
{
  if (speed == USBD_SPEED_HIGH)
  {
    USBD_GetString((uint8_t *) USBD_CONFIGURATION_HS_STRING, USBD_StrDesc,
                   length);
  }
  else
  {
    USBD_GetString((uint8_t *) USBD_CONFIGURATION_FS_STRING, USBD_StrDesc,
                   length);
  }
  return USBD_StrDesc;
}

/**
  * @brief  Returns the interface string descriptor.        
  * @param  speed: Current device speed
  * @param  length: Pointer to data length variable
  * @retval Pointer to descriptor buffer
  */
uint8_t *USBD_VCP_InterfaceStrDescriptor(USBD_SpeedTypeDef speed,uint16_t * length)
{
  if (speed == 0)
  {
    USBD_GetString((uint8_t *) USBD_INTERFACE_HS_STRING, USBD_StrDesc, length);
  }
  else
  {
    USBD_GetString((uint8_t *) USBD_INTERFACE_FS_STRING, USBD_StrDesc, length);
  }
  return USBD_StrDesc;
}


/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
